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KMID : 1039620220120040262
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Korean Journal of Family Practice
2022 Volume.12 No. 4 p.262 ~ p.267
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Associations between Serum Ferritin and Triglyceride Glucose Index: Using Health Examination Data at One Medical Institution’s Health Examination Center (2020)
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Lee Ji-In
Joe Hyun
Cho Yong-Jin
Shin Hwang-Sik
Hong Sung-Ho
Yoo Byung-Wook
Oh Jung-Eun
Shin Kyung-Suk
Son Doo-Yong
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Abstract
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Background: The overload of iron in the body is known to cause oxidative stress and inflammatory damage to cell and tissues, leading to diabetes mellitus. The relationship between serum ferritin, which reflects body iron storage, and insulin resistance has been reported in several studies. The triglyceride glucose (TyG) index using fasting blood sugar and triglyceride is a useful marker of insulin resistance. This study aimed to determine whether there is an association between serum ferritin and TyG index.
Methods: The study participants consisted of 4,718 adults who visited Soonchunhyang University Cheonan Hospital, Korea, for regular health checkups in 2020. Participants’ serum ferritin, triglyceride, fasting blood sugar, height, and weight were measured. Participants were separated by sex and divided into four groups according to quartiles of serum ferritin level. The correlation between ferritin and TyG index was analyzed.
Results: TyG index was significantly higher in participants with higher serum ferritin quartiles in both sexes. Moreover, elevated serum ferritin levels were independently associated with TyG index after adjusting for age, body mass index, physical activity, drinking, and smoking (P<0.05).
Conclusion: In this study, serum ferritin was positively correlated with TyG index in healthy Korean adults.
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KEYWORD
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Ferritins, Insulin Resistance, Triglycerides, Glucose
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